10ft office container for sale 10ft shipping container office 10ft mobile office container 10 foot site office 10ft portable office unit 10ft cabin container Insulated 10ft office container 10ft office container with AC Small site office container 10ft office 10ft container with windows and door container with windows and door 10ft office cabin with electrics 10ft one-trip container office Construction site office 10ft 10ft security hut ticket booth 10ft shop container small office space 10ft site accommodation 10ft office container near me 10ft container office 10ft container office price